ulo IsDe Uy ( 5). Without actual di...
Question
Fullscreen

ulo IsDe Uy ( 5). Without actual division, show that (x - 3x2 - 13x +15) is exactly divisible by (x² + 2x - 3).

Other Exams
Maths
Solution
112
Rating
4.0 (1 ratings)
Fullscreen

let f(π)=x3-3x2-13x+15 divisible by x2+2x-3 (x+3)(x-1) by remainder theorem r=0 So, x=-3 f(-3)=-27-27+39+15 =0 f(1)=1-3-13+15 =16-16=0 We can say that the given eqn. is divisible by x2+2x-3 Hence, proved

Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free