Question

if P of X is equals to root 2 x cube minus 3 X square + 4 x minus 6 then find the value of P of root 2​

Answer 1

Answer:

Please see the attachment

Answer 2

Answer:

P(x) = √2x³ - 3x² + 4x - 6

P(√2) = √2(√2)³ - 3(√2)² + 4(√2) - 6

= √2×2√2 - 3×2 + 4√2 - 6

= 4 - 6 + 4√2 - 6

= 4√2 - 8

= 4(√2 - 2)