Question

If a = 2, b = -11, c = 15, find the value of b² - 4ac.​

Answer 1

Answer:

a=2 . b= -11 c=15

D= b. b _4ac

-11×-11 _4×2×15

121 _120 =1 ans

Answer 2

Answer:

a= 2,b= -11, c= 15

d=b b-4ac

-11 × - 11 -4 ×2×15

121-120=1

answer is 1

Step-by-step explanation:

Hence proved