Advertisements
Advertisements
Question
Simplify (m2 − n2m)2 + 2m3n2
Advertisements
Solution
(m2 − n2m)2 + 2m3n2
= (m2)2 − 2(m2) (n2m) + (n2m)2 + 2m3n2 [(a − b)2 = a2 − 2ab + b2 ]
= m4 − 2m3n2 + n4m2 + 2m3n2
= m4 + n4m2
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Use a suitable identity to get the following products.
(1.1m − 0.4) (1.1 m + 0.4)
Use a suitable identity to get the following products.
(7a − 9b) (7a − 9b)
Simplify (2x +5)2 − (2x − 5)2
Using identities, evaluate 712
Using identities, evaluate 78 × 82
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 104
Expand:
(2a – 3b)2
Expand: (2x + 3y)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
`9x^2 + 2xy + y^2/9`
Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.
