What is the value of {(941+149)^2+(941-149)^2}/(941\times941+149\times149)

SSC CGL 26 Oct 2014 Shift 2 Paper

Question : 113 of 200

Marks: +1, -0

What is the value of

{(941+149)^2+(941-149)^2}/(941×941+149×149)

Solution:

Let 941 = a and 149 = b
∴ Expression =

{(a+b)^2+(a-b)^2}/{a^2+b^2}

{2(a^2+b^2)}/{a^2+b^2}

= 2

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