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+2
votes
1
answer
Prove the following by using the principle of mathematical induction for all $n in N$:$(1+3/1)(1+5/4)(1+7/9)...(1+((2n+1))/(n^2))=(n+1)^2$
asked
Jan 5, 2021
in
Mathematics
by
kratos
class-11
principle-of-mathematical-induction
+1
vote
1
answer
Find the roots of quadratic equation x^2 - (√3 + 1)x + √3 = 0
asked
Jan 1, 2021
in
Class 10
by
kratos
class-10
quadratic equations
+1
vote
1
answer
Arrange the given statements in the right column. 1. Formed of inter related cells seen as ducts.
asked
Jan 7, 2021
in
Mathematics
by
kratos
class-8
cell clusters
+3
votes
1
answer
Major difference between the approaches of Socrates and Aristotle was- a. Aristotle felt the need for rote-learning
asked
Jan 2, 2021
in
Class 12
by
kratos
ai project cycle
class-12
class-10
ancient india
planning and sustainable development
+2
votes
1
answer
Assertion : Bacteria are prokaryotic. Reason : Bacteria do not posses true nucleus and membrane bound cell organelles.
asked
Jan 3, 2021
in
Class 12
by
kratos
aiims 2019
neet
cell-the-unit-of-life
class-11
aiims
diversity in organisms
biological classification
biological-classification
+3
votes
1
answer
For a fixed amouunt of an ideal gas$(gamma=(11)/(9))$, the change in internal energy of the gas when pressure changes from 10 bar to 20 bar in rigid v
asked
Jan 6, 2021
in
Class 11
by
kratos
kinetic-theory-of-gases
class-11
thermodynamics
+2
votes
1
answer
In which of the following pairs of molecules/ions, both the species are not likely to exist ?
asked
Jan 2, 2021
in
JEE
by
kratos
chemical-bonding-and-molecular-structure
jee
chemical bonding
class-11
jee mains
chemical-bonding
+1
vote
1
answer
Recombinant nodules are found during which of the following
asked
Jan 5, 2021
in
Class 11
by
kratos
class-11
cell-cycle-and-cell-division
+3
votes
1
answer
(2) If the coefficients of (2r + 4)th, (r - 2)th terms in the expansion of $(1 + x)^18$ are equal, find r.
asked
Jan 10, 2021
in
Class 11
by
kratos
binomial-theorem
class-11
+2
votes
1
answer
The air in the grandmother’* house is frozen. Why?
asked
Jan 5, 2021
in
Mathematics
by
kratos
my grandmothers house
class-8
+2
votes
1
answer
For each of the following pairs of matrices A and B, verify that (AB)’ = (B’ A’) : A = [(3,-1)(2,-2)] B = [(1,-3)(2,-1)]
asked
Jan 1, 2021
in
Class 12
by
kratos
matrices
class-12
+1
vote
1
answer
A compound forms hcp structure. Number of octahedral and tetrahedral voids in 0.5 mole of substance is respectively
asked
Jan 4, 2021
in
Class 12
by
kratos
class-12
neet
jee
classification of solid based
cbse
aiims
jee mains
solid state
+3
votes
0
answers
In class, 30% of the students offered mathematics 20% offered chemistry and 10% offered both. If a student is
asked
Jan 3, 2021
in
Class 12
by
kratos
probability
class-11
class-12
+1
vote
1
answer
Grimms’ ***** Tales is a familiar name in Germany. The brothers Jacob and Wilhelm Grimm were born in the ****** city of Hanau.
asked
Jan 2, 2021
in
Class 12
by
kratos
class-12
cbse
i believe that book will never disappear
nationalism in europe
class 10
+3
votes
1
answer
Persistent hyperthyroidism may leads to ……………. ******* characterized by bulging of the eye *****.
asked
Jan 7, 2021
in
Class 12
by
kratos
class-7
class-12
endocrine glands
circular motion
class-10
+1
vote
1
answer
What is the significance of non – conventional sources of energy in the modern world? Suggest any two non – conventional
asked
Jan 9, 2021
in
Class 10
by
kratos
sources-of-energy
class-10
+1
vote
1
answer
An indispensable role in energy metabolism is played by
asked
Jan 7, 2021
in
Class 12
by
kratos
respiration
neet
class-11
aiims
respiration-in-plants
+3
votes
1
answer
Select one which is not true for ribosome
asked
Jan 5, 2021
in
Class 11
by
kratos
the-unit-of-life
class-11
cell
+1
vote
1
answer
Nutrition provides _____ to the body.
asked
Jan 9, 2021
in
Class 10
by
kratos
respiration
cbse
class-8
nutrition
class-10
+3
votes
1
answer
Find the sum of all numbers from 1 to 140 which are divisible by 4.
asked
Jan 8, 2021
in
Class 11
by
kratos
arithmetic progression
class-11
class-10
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