if p=3x^3-5x+9,Q=4x^3+5x-11,R=5x^3+4x^2-3x+7 then p+2Q+r is
Answers
Answered by
0
Step-by-step explanation:
p=3x^3-5x+9, Q=4x^3+5x-11, r=5x^3+4x^2-3x+7
A/Q to question,
p+2Q+r=3x^3-5x+9+2(4x^3+5x-11)+5x^3+4x^2-3x+7
=3x^3-5x+9+8x^3+10x-22+5x^3+4x^2-3x+7
=16x^3+4x^2+2x-6
Similar questions