Advertisements
Advertisements
प्रश्न
Use identities to evaluate : (502)2
Advertisements
उत्तर
(502)2
(502)2 = (500 + 2)2
We know that,
( a + b )2 = a2 + b2 + 2ab
∴ ( 500 + 2 )2 = 5002 + 22 + 2 x 500 x 2
= 250000 + 4 + 2000
= 2,52,004
APPEARS IN
संबंधित प्रश्न
Write the following cube in expanded form:
`[3/2x+1]^3`
Factorise the following:
`27p^3-1/216-9/2p^2+1/4p`
Evaluate following using identities:
(a - 0.1) (a + 0.1)
If \[x - \frac{1}{x} = 7\], find the value of \[x^3 - \frac{1}{x^3}\].
Evaluate of the following:
(598)3
\[\frac{( a^2 - b^2 )^3 + ( b^2 - c^2 )^3 + ( c^2 - a^2 )^3}{(a - b )^3 + (b - c )^3 + (c - a )^3} =\]
Use identities to evaluate : (97)2
The difference between two positive numbers is 5 and the sum of their squares is 73. Find the product of these numbers.
Evaluate: `(3"x"+1/2)(2"x"+1/3)`
If `"a"^2 - 7"a" + 1` = 0 and a = ≠ 0, find :
`"a" + (1)/"a"`
