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?
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(2y + 5) (2y + 5)
Simplify (m2 − n2m)2 + 2m3n2
Expand `("a"/2+"b"/3)^2`
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Use the formula to multiply the following.
(a + 6) (a − 6)
Simplify: (a + b)2 – 4ab
Factorise the following using suitable identity
36m2 + 60m + 25
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2abxy + b2y2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
`x^2/4 + 2x + 4`
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.
