Advertisements
Advertisements
प्रश्न
Expand (3 + m)3
योग
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the cube of : `2a + 1/(2a)` ( a ≠ 0 )
If `a + 1/a` = p and a ≠ 0; then show that:
`a^3 + 1/a^3 = p(p^2 - 3)`
Use property to evaluate : 133 + (-8)3 + (-5)3
If a ≠ 0 and `a - 1/a` = 3 ; find `a^2 + 1/a^2`
If `3x - (1)/(3x) = 9`; find the value of `27x^3 - (1)/(27x^3)`.
Simplify:
(a + b)3 + (a - b)3
Expand: (41)3
Expand (104)3
Find the volume of the cube whose side is (x + 1) cm
(p + q)(p2 – pq + q2) is equal to _____________
