Question

Find the roots of quadratic equation 2

2 − 11 + 9 = 0 using quadratic formula.​

Answer 1

Question:-

Find the roots of quadratic equation 22x² − 11x + 9 = 0 using quadratic formula.

Solution:-

a = 2 ; b = -11 ; c = 9

Formula:-

• -b ± √b² - 4ac

2a

➭ 11 ± √ 121 - 72

4

➭ 11 ± √49

4

➭ 11 + 7 and 11 - 7

4 4

➭ 18/4 and 4/4

➭ 9/2 and 1