Advertisements
Advertisements
Question
Evaluate the following without multiplying:
(103)2
Sum
Solution
(103)2
= (100 + 3)2
= (100)2 + 2(100)(3) + (3)2
= 10000 + 600 + 9
= 10609.
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify the following products:
`(m + n/7)^3 (m - n/7)`
Simplify the following products:
`(2x^4 - 4x^2 + 1)(2x^4 - 4x^2 - 1)`
If \[x^4 + \frac{1}{x^4} = 194,\] then \[x^3 + \frac{1}{x^3} =\]
If a - b = 0.9 and ab = 0.36; find:
(i) a + b
(ii) a2 - b2.
If a - b = 4 and a + b = 6; find
(i) a2 + b2
(ii) ab
Use the direct method to evaluate :
`(3/5"a"+1/2)(3/5"a"-1/2)`
Expand the following:
(2p - 3q)2
If x + y = 9, xy = 20
find: x2 - y2.
If `"r" - (1)/"r" = 4`; find: `"r"^2 + (1)/"r"^2`
If `x + (1)/x = "p", x - (1)/x = "q"`; find the relation between p and q.
