Question

Find thequadratic polynomial whose one zero is 7 and product of zeros is 30.​

Answer 1

Let the zeros is the polynomial be m and n

According to the question ;

m = 5

mn = 30

n = 30/5

n = 6

The required polynomial with zeros m and n is;

x²-(m+n)x+(mn) = 0

x²- (5+6)x + (5.6) = 0

x² - 11x + 30 = 0

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