Advertisements
Advertisements
प्रश्न
Expand (3 + m)3
बेरीज
Advertisements
उत्तर
(3 + m)3
Comparing (3 + m)3 with (a + b)3 we have a = 3, b = m
(a + b)3 = a2 + 3a2b + 3ab2 + b3
(3 + m)3 = 33 + 3(3)2(m) + 3(3)m2 + m3
= 27 + 27m + 9m2 + m3
= m3 + 9m2 + 27m + 27
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find the cube of : `2a + 1/(2a)` ( a ≠ 0 )
If `a^2 + 1/a^2` = 18; a ≠ 0 find :
(i) `a - 1/a`
(ii) `a^3 - 1/a^3`
If `( a + 1/a )^2 = 3 "and a ≠ 0; then show:" a^3 + 1/a^3 = 0`.
Expand : (3x + 5y + 2z) (3x - 5y + 2z)
If `x + (1)/x = 5`, find the value of `x^2 + (1)/x^2, x^3 + (1)/x^3` and `x^4 + (1)/x^4`.
If `"a" - (1)/"a" = 7`, find `"a"^2 + (1)/"a"^2 , "a"^2 - (1)/"a"^2` and `"a"^3 - (1)/"a"^3`
If `"r" - (1)/"r" = 4`; find : `"r"^3 - (1)/"r"^3`
If p - q = -1 and pq = -12, find p3 - q3
Find 27a3 + 64b3, if 3a + 4b = 10 and ab = 2
Expand (52)3
