Question

iii) Find the value of b² - 4ac, if a:2, b
=-11 , C 15​

Answer 1

Answer:

$\huge\star \underline{ \boxed{ \purple{Answer}}}\star$

The value of b² - 4ac here is 1.

Step-by-step explanation:

Given :-

⟹ a = 2

⟹ b = -11

⟹ c = 15

and formula.

⟹ b² - 4ac

To Find :-

⟹ the value of b² - 4ac

Solution :-

⟹ a = 2 , b = -11 , c = 15. [given]

Now putting values in the formula ,

⟹ b² - 4ac

⟹ (-11)² - 4(2)(15)

We know that if a negative no. is squared it converts into positive.

so,

⟹ 121 - 4(30)

⟹ 121 - 120

⟹ 1

HENCE,

The value of b² - 4ac is 1.

$\Large\mathcal\pink{Hope \: it \: helps \: you\:friend}$