Advertisements
Advertisements
प्रश्न
Verify the following:
(m + n)(m2 – mn + n2) = m3 + n3
Advertisements
उत्तर
Taking L.H.S. = (m + n)(m2 – mn + n2)
= m(m2 – mn + n2) + n(m2 – mn + n2)
= m3 – m2n + mn2 + nm2 – mn2 + n3
= m3 + n3
= R.H.S.
Hence verified.
APPEARS IN
संबंधित प्रश्न
(7x + 3)(7x – 4) = 49x2 – 7x – 12
Factorise the following algebraic expression by using the identity a2 – b2 = (a + b)(a – b)
25a2 – 49b2
If X = a2 – 1 and Y = 1 – b2, then find X + Y and factorize the same
Simplify (5x – 3y)2 – (5x + 3y)2
a2 – b2 = (a + b) ______.
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`(2p^2)/25 - 32q^2`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
(x + y)4 – (x – y)4
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x4 – y4 + x2 – y2
The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?
Find the value of `(198 xx 198 - 102 xx 102)/96`
