Advertisements
Advertisements
प्रश्न
Factorise the following:
y2 – 16y – 80
योग
Advertisements
उत्तर
Product = – 80, sum = – 16
Split the middle term as – 20y and 4y
y2 – 16y – 80 = y2 – 20y + 4y – 80
= y(y – 20) + 4(y – 20)
= (y – 20)(y + 4)
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write the degrees of the following polynomials
0
If the polynomials ax3 + 3x2 − 13 and 2x3 − 5x + a, when divided by (x − 2) leave the same remainder, find the value of a.
f(x) = x3 − 6x2 + 11x − 6, g(x) = x2 − 3x + 2
Find the value k if x − 3 is a factor of k2x3 − kx2 + 3kx − k.
x3 + 2x2 − x − 2
x3 − 10x2 − 53x − 42
Write the remainder when the polynomialf(x) = x3 + x2 − 3x + 2 is divided by x + 1.
If x51 + 51 is divided by x + 1, the remainder is
Factorise the following:
p² – 6p – 16
If x + 2a is a factor of x5 – 4a2x3 + 2x + 2a + 3, find a.
