4. Find a quadratic polynomial whose one zero is 5 and product of zeroes is 30.
Standard:- 10
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one of the root is 5 and product of root is 30 so second root is 30÷5 =6
let quadratic be ax^2+bx+c=0
so product of root = 30 = c/a
sum of root = 5+6=11=-b/a
assume a=1
so polynomial will be
x^2-11x+30=0
let quadratic be ax^2+bx+c=0
so product of root = 30 = c/a
sum of root = 5+6=11=-b/a
assume a=1
so polynomial will be
x^2-11x+30=0
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