Advertisements
Advertisements
प्रश्न
Expand.
(52)3
बेरीज
Advertisements
उत्तर
(52)3
(a + b)3 = a3 + 3a2b + 3ab2 + b3
= `(50 + 2)^3` = `(50)^3 + 3 xx (50)^2 xx (2) + 3 xx (50)(2)^2 + (2)^3`
= 125000 + 3 × 2500 × 2 + 150 × 4 + 8
= 125000 + 7500 × 2 + 600 + 8
= 125000 + 15000 + 600 + 8
= 140608
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Expand.
(k + 4)3
Expand.
(101)3
Find the cube of : 5a + 3b
If a2 + `1/a^2 = 47` and a ≠ 0 find :
- `a + 1/a`
- `a^3 + 1/a^3`
If a ≠ 0 and `a - 1/a` = 4; find: `(a^2 + 1/a^2)`
If `"m"^2 + (1)/"m"^2 = 51`; find the value of `"m"^3 - (1)/"m"^3`
If `"p" + (1)/"p" = 6`; find : `"p"^3 + (1)/"p"^3`
If a + b = 5 and ab = 2, find a3 + b3.
If `x^2 + 1/x^2` = 23, then find the value of `x + 1/x` and `x^3 + 1/x^3`
Expand (2a + 5)3
