Question

8.Form a quadratic polynomial, one of whose zero is 2 + √5 and the sum of zeroes is 4

Answer 1

Step-by-step explanation:

If alpha = 2+√5

beta = 2-√5 from alpha + beta = 4

so,

(2+√5)(2-√5) = (2)²-(√5)² = 4-5 = -1 ..

by these form a equation ..,

=> x²-(4)x-1

=> x²-4x-1 ...;):);)