find the quadratic polynomial whose one zero is 7 and sum of zeros is -18
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Let alpha and beta be the zeroes of polynomial ..
therefore, alpha = 7 and beta= ?
given ,
alpha + beta = -18
7 + beta = -18
beta = -25
quadratic polynomial is in the form :
x²- (alpha + beta)x + alpha× beta
x²+18x - 175
hope you will understand it..
therefore, alpha = 7 and beta= ?
given ,
alpha + beta = -18
7 + beta = -18
beta = -25
quadratic polynomial is in the form :
x²- (alpha + beta)x + alpha× beta
x²+18x - 175
hope you will understand it..
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