s1 and s2 are two square figurevs1 is smaller and length of its side is x cm . s2 is bigger square and length of its side is y cm . If it is given that x²+y²=74 and 2x²-y²=1 then the side of the bigger square is of length is
(a) 7cm
(b) 5cm
(c) 25cm
(d) 14cm
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The sum of y^2 and 1 shall be 2x^2 when this sum of y^2 and x^2 can be 74.
(y^2 plus 1) divided by 2 plus y^2 equals 74.
1.5 y^2 will then equal 73.5
y^2 = 49 y=7
The bigger square is 7 centimetres only.
The first option is the correct option.
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