Advertisements
Advertisements
प्रश्न
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
25ax2 – 25a
Advertisements
उत्तर
We have,
25ax2 – 25a = 25a(x2 – 12)
= 25a(x – 1)(x + 1)
APPEARS IN
संबंधित प्रश्न
Using the identity (a + b)(a – b) = a2 – b2, find the following product
(p + 2)(p – 2)
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)
If X = a2 – 1 and Y = 1 – b2, then find X + Y and factorize the same
Using suitable identities, evaluate the following.
(339)2 – (161)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
4x2 – 49y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`1/36a^2b^2 - 16/49b^2c^2`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
p5 – 16p
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
9x2 – (3y + z)2
Factorise the expression and divide them as directed:
(x2 – 22x + 117) ÷ (x – 13)
Verify the following:
(m + n)(m2 – mn + n2) = m3 + n3
