If x2 + y2 = 221 and x - y = 1 , then find the value of x3 - y3.
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x=y+1
(y+1)^2+y^2= 221
on solving these we get, y=10 or -11
so will be 11 or -10
now put these values in question according and get answer.
(y+1)^2+y^2= 221
on solving these we get, y=10 or -11
so will be 11 or -10
now put these values in question according and get answer.
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0
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If x2 + y2 = 221 and x - y = 1 , then find the value
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