Advertisements
Advertisements
प्रश्न
Expand.
(7 + m)3
बेरीज
Advertisements
उत्तर
(7 + m)3
= (7)3 + 3 × (7)2 × (m) + 3 × (7) × (m)2 + (m)3 …[∵ (a + b)3 = a3 + 3a2b + 3ab2 + b3]
= 343 + 3(49)(m) + 3(7)(m2) + m3
= 343 + 147m + 21m2 + m3
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Expand.
(k + 4)3
Expand.
(101)3
Simplify.
(3r − 2k)3 + (3r + 2k)3
If `3x - (1)/(3x) = 9`; find the value of `27x^3 - (1)/(27x^3)`.
If a + b + c = 0; then show that a3 + b3 + c3 = 3abc.
Simplify:
(a + b)3 + (a - b)3
Expand: (x + 3)3.
Expand: (3x + 4y)3.
If `"a" + 1/"a"` = 6, then find the value of `"a"^3 + 1/"a"^3`
(p + q)(p2 – pq + q2) is equal to _____________
