Advertisements
Advertisements
प्रश्न
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Advertisements
उत्तर
`(2/3 m + 3/4 n)^2` = `(2/3 m)^2 + 2(2/3 m)(3/2 n)+ (3/2 n)^2` [(a + b)2 = a2 + 2ab + b2]
= `4/9 m^2 + 2mn + 9/4 n^2`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Use a suitable identity to get the following products.
(a2 + b2) (− a2 + b2)
Use a suitable identity to get the following products.
(6x − 7) (6x + 7)
Expand (5a + 6b)2
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Use a formula to multiply of (x − 5)(x + 5).
(x2 + y2)(y2 + x2) = (x2 + y2)2
Expand the following square, using suitable identities
(2x + 5)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Factorise the following.
x2 + 15x + 26
Factorise the following.
y2 + 18x + 65
