Question

Q.5 please it is really important . You have to find the value of p

Answer 1

Step-by-step explanation:

$given \: equ \\ x {}^{2} - 8x + p = 0 \\ \alpha {}^{2} + \beta {}^{2} = 40 \\ ( \alpha + \beta ) {}^{2} - 2 \alpha \beta = 40 \\ ( - \frac{b}{a} ) {}^{2} - 2 \times \frac{c}{a} = 40 \\ 64 - 2 \times p = 40 \\ 2 \times p = 24 \\ p = 12$