Question
Solution
Above expression can be written as = with the help of (a + b)3  = a3  + b3  + 3ab (a + b) a2  – b2  = (a + b) (a – b) (a + b)2  = a2  + b2  +2ab = (cos2 θ + sin2 θ)3  / cosec θ sec θ [sin2 θ + cos2 θ + 2sin θ cos θ – 1] = 1 / 1/sin θ cos θ [1 + 2sin θ cos θ – 1] = 1/2
1219.98 ÷ 30.48 × 15.12 = ? × 2.16
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
`1804/898-:99/699xx749/751=?`
(√845 ×19.932+ √4230 ×14.385)/(√1765 ×4.877 ) = ?
Direction: Please solve the following expression and choose the closest option
`(13.022)^(2)+ (42.93)^(2)-(53.125)^(2)+(192.33xx14.88)=?- (88.44)^(2)- (42.03 xx 23.12)`
√49 + 6.66% of 1725 + 22² = ?² - √361Â
What approximate value will replace the question mark (?) in the following?
? =...
? = 49.97% of 38.09% of 1998.95
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
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