Question

find the value of: 3x^4 - 4x^2 + √7 at x= -1​

Answer 1

Answer:

$3 {x}^{4} - 4 {x}^{2} + \sqrt{7} \\ \\ \\ \\ x = - 1 \\ \\ \\ \\ f(1) = 3( { - 1}^{4}) - 4( { - 1}^{2} ) + \sqrt{7} \\ \\ \\ = 3 - 4 + \sqrt{7} \\ \\ \\ \\ = \sqrt{7} - 1$

Hope that it will help uh...