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
f(x) = 9x3 − 3x2 + x − 5, g(x) = \[x - \frac{2}{3}\]
Show that (x − 2), (x + 3) and (x − 4) are factors of x3 − 3x2 − 10x + 24.
3x3 − x2 − 3x + 1
Factorize of the following polynomials:
x3 + 13x2 + 31x − 45 given that x + 9 is a factor
2x4 − 7x3 − 13x2 + 63x − 45
If f(x) = x4 − 2x3 + 3x2 − ax − b when divided by x − 1, the remainder is 6, then find the value of a + b
If x + a is a factor of x4 − a2x2 + 3x − 6a, then a =
(x+1) is a factor of xn + 1 only if
Factorise the following:
6x2 + 16xy + 8y2
