Advertisements
Advertisements
प्रश्न
Find x3 – y3, if x – y = 5 and xy = 14.
बेरीज
Advertisements
उत्तर
x – y = 5, xy = 14
x3 – y3 = (x – y)3 + 3xy(x – y)
= 53 + 3(14)(5)
= 125 + 210
= 335
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand.
(2m − 5)3
Expand.
(4 − p)3
Expand.
(198)3
Expand.
`(x/3 - 3/x)^3`
Find the cube of 99 using the expansion formula.
Simplify.
(p + q)3 + (p - q)3
If `(y - 1/y)^3` = 27, then find the value of `y^3 - 1/y^3`
Expand (2x – 4y)3
Expand (ab – c)3
(a – b) = 3 and ab = 5 then a3 – b3 = __________
