Advertisements
Advertisements
प्रश्न
Simplify the following:
0.76 x 0.76 - 2 x 0.76 x 0.24 x 0.24 + 0.24
Advertisements
उत्तर
We have
0.76 x 0.76 - 2 x 0.76 x 0.24 x 0.24 + 0.24
= [0.76 + 0.24]2 `[∵ a^2 + b^2 + 2ab = (a + b)^2]`
`= [1.00]^2`
= 1
∴ 0.76 x 0.76 + 2 x 0.76 x 0.24 + 0.24 x 0.24 = 1
APPEARS IN
संबंधित प्रश्न
Use suitable identity to find the following product:
(3x + 4) (3x – 5)
Write the following cube in expanded form:
`[x-2/3y]^3`
Give possible expression for the length and breadth of the following rectangle, in which their area is given:
| Area : 35y2 + 13y – 12 |
Evaluate the following using identities:
(399)2
Simplify the following: 175 x 175 x 2 x 175 x 25 x 25 x 25
If a + b + c = 0, then write the value of \[\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab}\]
If \[x^3 + \frac{1}{x^3} = 110\], then \[x + \frac{1}{x} =\]
If a2 + b2 + c2 − ab − bc − ca =0, then
The difference between two positive numbers is 5 and the sum of their squares is 73. Find the product of these numbers.
Use the direct method to evaluate :
(4+5x) (4−5x)
Evaluate: (1.6x + 0.7y) (1.6x − 0.7y)
Expand the following:
(m + 8) (m - 7)
If p2 + q2 + r2 = 82 and pq + qr + pr = 18; find p + q + r.
If `"p" + (1)/"p" = 6`; find : `"p"^4 + (1)/"p"^4`
Simplify:
`(x - 1/x)(x^2 + 1 + 1/x^2)`
Simplify:
(3a + 2b - c)(9a2 + 4b2 + c2 - 6ab + 2bc +3ca)
The value of 2492 – 2482 is ______.
If a + b + c = 5 and ab + bc + ca = 10, then prove that a3 + b3 + c3 – 3abc = – 25.
