Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
1331x3y – 11y3x
Advertisements
उत्तर
We have,
1331x3y – 11y3x = (11)3x3y – 11y3x
= 11xy(112x2 – y2)
= 11xy[(11x)2 – y2]
= 11xy(11x + y)(11x – y)
APPEARS IN
संबंधित प्रश्न
Expand 4p2 – 25q2
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(p + 2)(p – 2)
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
x4 – y4
(5 + 20)(–20 – 5) = ?
The pathway of a square paddy field has 5 m width and length of its side is 40 m. Find the total area of its pathway. (Note: Use suitable identity)
Using suitable identities, evaluate the following.
(69.3)2 – (30.7)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).
(a – b)2 – (b – c)2
The sum of (x + 5) observations is x4 – 625. Find the mean of the observations.
The product of two expressions is x5 + x3 + x. If one of them is x2 + x + 1, find the other.
