Advertisements
Advertisements
प्रश्न
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
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?
APPEARS IN
संबंधित प्रश्न
Simplify (m2 − n2m)2 + 2m3n2
Using a2 − b2 = (a + b) (a − b), find 512 − 492
Use the formula to find the value.
502 × 498
Expand: (2a – 3b)2
Expand the following square, using suitable identities
(mn + 3p)2
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
Factorise the following.
y2 + 18x + 65
Factorise the following.
18 + 11x + x2
The area of a square is given by 4x2 + 12xy + 9y2. Find the side of the square.
The height of a triangle is x4 + y4 and its base is 14xy. Find the area of the triangle.
