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True if and only if(iitjee mains question)
+2
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asked
Feb 17, 2018
in
JEE
by
kratos
iit jee
test series
modulus
jee mains 2018
class-11
probability
binomial theorem
engineering
class-12
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1
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+6
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answered
Feb 8, 2020
by
kratos
Best answer
sin2a = 4xy/(x + y)2 is true if and only if x=y and x not equal to 0
Proof:
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