Advertisements
Advertisements
Question
Evaluate the following without multiplying:
(1005)2
Sum
Solution
(1005)2
= (1000 + 5)2
= (1000)2 + 2(1000)(5) + (5)2
= 1000000 + 10000 + 25
= 1010025.
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise the following:
`27p^3-1/216-9/2p^2+1/4p`
Simplify: `(a + b + c)^2 - (a - b + c)^2`
Find the following product:
\[\left( 3 + \frac{5}{x} \right) \left( 9 - \frac{15}{x} + \frac{25}{x^2} \right)\]
Find the following product:
(x2 − 1) (x4 + x2 + 1)
If \[\frac{a}{b} + \frac{b}{a} = - 1\] then a3 − b3 =
The product (x2−1) (x4 + x2 + 1) is equal to
Expand the following:
(2p - 3q)2
If `49x^2 - b = (7x + 1/2)(7x - 1/2)`, then the value of b is ______.
Simplify (2x – 5y)3 – (2x + 5y)3.
Multiply x2 + 4y2 + z2 + 2xy + xz – 2yz by (–z + x – 2y).
