Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(x^3y)/9 - (xy^3)/16`
Advertisements
उत्तर
We have,
`(x^3y)/9 - (xy^3)/16 = xy(x^2/9 - y^2/16)`
= `xy[(x/3)^2 - (y/4)^2]`
= `xy(x/3 + y/4)(x/3 - y/4)`
APPEARS IN
संबंधित प्रश्न
Expand: (3x + 4y)(3x - 4y)
Expand 4p2 – 25q2
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
z2 – 16
Multiply the following:
(a2 – b2), (a2 + b2)
Using suitable identities, evaluate the following.
(9.7)2 – (0.3)2
Using suitable identities, evaluate the following.
(339)2 – (161)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
25ax2 – 25a
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`x^2/9 - y^2/25`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
1331x3y – 11y3x
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`1/36a^2b^2 - 16/49b^2c^2`
