Question

(ii) Solve the equation 9x2 + 3x/4+2 =0
if possible, for real values of x.​

Answer 1

Step-by-step explanation:

your answer is here

9x2+3x4+2=0

9x2+3x4+2=0

⇒36x2+3x+84=0

⇒36x2+3x+84=0

⇒36x2+3x+8=0

⇒36x2+3x+8=0

Here a = 36, b = 2 and c = 8

∴x=−b±√b2−4ac2a

∴x=-b±b2-4ac2a

= −3±√(3)2−4×36×82×36

= -3±(3)2-4×36×82×36

= −3±√9−115272

= -3±9-115272

= −3±√−114372

= - 3±-114372Since √−1143

- 1143 is not possible, we cannnot solve the. given equation

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