Advertisements
Advertisements
प्रश्न
Evaluate, using (a + b)(a - b)= a2 - b2.
15.9 x 16.1
योग
Advertisements
उत्तर
15.9 x 16.1
= (16 - 0.1) x (16 + 0.1)
= (16)2 - (0.1)2
= 256 - 0.01
= 255.99.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Simplify the following product:
(x2 + x − 2)(x2 − x + 2)
Write in the expanded form: (-2x + 3y + 2z)2
If a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c2.
Evaluate of the following:
`(10.4)^3`
The product (a + b) (a − b) (a2 − ab + b2) (a2 + ab + b2) is equal to
Use the direct method to evaluate the following products:
(a – 8) (a + 2)
Use the direct method to evaluate :
(0.5−2a) (0.5+2a)
If `x + (1)/x = "p", x - (1)/x = "q"`; find the relation between p and q.
Simplify:
(x + 2y + 3z)(x2 + 4y2 + 9z2 - 2xy - 6yz - 3zx)
Find the following product:
`(x/2 + 2y)(x^2/4 - xy + 4y^2)`
