form a quadratic polynomial whose one zero is 4 and the product of the zeros is 28
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to form a a quadratic equations let unconsidered two zero as a and b
a = 4 (given)
a×b=28(given)
a×b=28
b=28\4
b=7
a+b=4+7=11
quadrilateral equation will be
x^2-(a+b)+a×b=0
x^2-11+30=0
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