Question

plz guys solve ques 20th

Answer 1

${x}^{2} - px - p - c \\ {x}^{2} - px - (p + c) \\ \alpha + \beta = p \\ \alpha \beta = - (p + c) \\ (1 - \alpha )(1 - \beta ) = 1 - \beta - \alpha + \alpha \beta ) \\ = 1 - ( \alpha + \beta ) + \alpha \beta \\ put \: values \\ = 1 - p + ( - (p + c)) \\ = 1 - p - p - c \\ = 1 - 2p - c$