Advertisements
Advertisements
प्रश्न
Factorise xy2 - xz2, Hence, find the value of :
9 x 82 - 9 x 22
Advertisements
उत्तर
xy2 - xz2 = x(y2 - z2) = x(y - z)(y + z)
9 x 82 - 9 x 22
= 9 (82 - 22)
= 9(8 - 2)(8 + 2)
= 9 (6) (10) = 540
APPEARS IN
संबंधित प्रश्न
Factorise.
15xy − 6x + 5y − 2
Factorise.
ax + bx − ay − by
Factorize the following:
5x − 15x2
Factorize the following:
28a2 + 14a2b2 − 21a4
Factorize the following:
x2yz + xy2z + xyz2
Factorise : 4(2x - 3y)2 - 8x+12y - 3
Factorise : 3 - 5x + 5y - 12(x - y)2
Factorise : 2(ab + cd) - a2 - b2 + c2 + d2
Factorise : 3x2 + 6x3
Factorise : 4a2 - 8ab
factorise : xy2 + (x - 1) y - 1
factorise : ab(x2 + y2) - xy (a2 + b2)
Factorise the following by taking out the common factors:
4x2y3 - 6x3y2 - 12xy2
Factorise the following by taking out the common factors:
(mx + ny)2 + (nx - my)2
Factorise the following by taking out the common factors:
p(p2 + q2 - r2) + q(r2 - q2 -p2) - r(p2 + q2 - r2)
Factorise:
`y^2 + (1)/(4y^2) + 1 - 6y - (3)/y`
Factorise:
`4"a"^2 + (1)/(4"a"^2) - 2 - 6"a" + (3)/(2"a")`
Factorise the following by taking out the common factor
18xy – 12yz
Factorise the following by taking out the common factor
9x5y3 + 6x3y2 – 18x2y
