p-2x-5-2x-2-3x-1-Q-x-1-if-Q-1-3-then-p-1-

Question Number 101590 by student work last updated on 03/Jul/20

p (2 x + 5) = ({2 x}^{2} + 3 x - 1) Q (x + 1)

if Q (- 1) = 3 then p (1) = ?

Commented by Tinku Tara last updated on 03/Jul/20

You couldnt simple have doubt

on this question when you are working

on \int x^{x} ?

Answered by prakash jain last updated on 03/Jul/20

put x = - 2

p (1) = (8 - 6 - 1) Q (- 1) = 3

Commented by student work last updated on 03/Jul/20

help me to write the all practice

Answered by bemath last updated on 03/Jul/20

let x + 1 = z \Rightarrow x = z - 1

P (2 z + 3) = (2 {(z - 1)}^{2} + 3 (z - 1) - 1) Q (z)

take z = - 1

then P (- 2 + 3) = (2 {(- 2)}^{2} + 3 (- 2) - 1) Q (- 1)

P (1) = (8 - 6 - 1) (3)

P (1) = 1 \times 3 = 3 ★

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