if x+y=7/2 and xy=5/2 find (1)x-y (2) x^2-y^2
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hey here is your answer
hope u understand
Regards
Sravya Maddula
hope u understand
Regards
Sravya Maddula
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SwetaSweta11111:
correct answer
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firstly we construct a quadratic equation.
we construct a quadratic equation which will be
now let's come to our question
hence x-y = √49-40/2
which is equals to 3/2
now our second part
x^2-y^2=(x+y)(x-y)
=7/2*3/2
=21/4
we construct a quadratic equation which will be
now let's come to our question
hence x-y = √49-40/2
which is equals to 3/2
now our second part
x^2-y^2=(x+y)(x-y)
=7/2*3/2
=21/4
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