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If ( a – b) : (a + b) = 1 : 11, find the ratio (5a + 4b + 15) : (5a - 4b + 3)

+2 votes

asked Mar 31, 2019 in Class 10 by kratos

If ( a – b) : (a + b) = 1 : 11, find the ratio (5a + 4b + 15) : (5a - 4b + 3)

ratio and proportion
class-9
class-10
class-7
icse

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1 Answer

+1 vote

answered Feb 1, 2020 by kratos

Best answer

( a – b) : (a + b) = 1 : 11,

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