Advertisements
Advertisements
प्रश्न
Expand the following:
`(2"a" + 1/(2"a"))^2`
बेरीज
Advertisements
उत्तर
`(2"a" + 1/(2"a"))^2`
= `(2"a")^2 + 2(2"a") (1/(2"a")) + 2"a"^2`
= `4"a"^2 + 2 + (1)/(4"a"^2)`.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Write the following cube in expanded form:
(2x + 1)3
Factorise the following:
8a3 + b3 + 12a2b + 6ab2
Factorise the following:
27 – 125a3 – 135a + 225a2
if `x^2 + 1/x^2 = 79` Find the value of `x + 1/x`
Find the following product:
\[\left( \frac{2}{x} + 3x \right) \left( \frac{4}{x^2} + 9 x^2 - 6 \right)\]
If a − b = −8 and ab = −12, then a3 − b3 =
If a - b = 7 and ab = 18; find a + b.
Evaluate the following without multiplying:
(95)2
If a - b = 10 and ab = 11; find a + b.
If `"a"^2 + (1)/"a"^2 = 14`; find the value of `"a" + (1)/"a"`
