Advertisements
Advertisements
प्रश्न
Evaluate the following :
(5.45)3 + (3.55)3
योग
Advertisements
उत्तर
(5.45)3 + (3.55)3
= (5.45 + 3.55)3 - 3(5.45)(3.55)(5.45 + 355)
= (9)3 - 3(4 + 1.45)(4 - 1.45)(9)
= 81 - 3(16 - (1.45)2)(9)
= 81 - 27(16 - 2.1025)
= 81 - 27 x 13.8975
= 81 - 522.3825
= 206.6175.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Expand.
(101)3
Expand.
`(x + 1/x)^3`
Expand.
`((5x)/y + y/(5x))^3`
Simplify.
(3r − 2k)3 + (3r + 2k)3
Find the cube of : 3a- 2b
Use property to evaluate : 73 + 33 + (-10)3
Two positive numbers x and y are such that x > y. If the difference of these numbers is 5 and their product is 24, find:
- Sum of these numbers
- Difference of their cubes
- Sum of their cubes.
If a ≠ 0 and `a - 1/a` = 4 ; find : `( a^3 - 1/a^3 )`
Find the cube of: `(2"m")/(3"n") + (3"n")/(2"m")`
If `"p" + (1)/"p" = 6`; find : `"p"^3 + (1)/"p"^3`
