find a quadratic polynomial whose zeros is -15 and sum of the zero is 42.
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Hello Nishu
Whenever the sum and product of zeros of polynomial are given,you can construction the quadratic equation by following method.
polynomial=x²-(sum of roots)x+product of roots.
So,Here the polynomial will be
x²-(-15)x+42=0
or,x²+15x+42=0
Hope it helps.
Whenever the sum and product of zeros of polynomial are given,you can construction the quadratic equation by following method.
polynomial=x²-(sum of roots)x+product of roots.
So,Here the polynomial will be
x²-(-15)x+42=0
or,x²+15x+42=0
Hope it helps.
nishu146:
very thankful for your help
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hii....
hope this helps !
hope this helps !
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