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Start learning 50% faster. Sign in nowx+ 1/x = 2cosθ (x+ 1/x)³ = (2cosθ)³ x³+ 1/x³+ 3x × 1/x ×(x+ 1/x) = 8cos³θ x³+ 1/x³+ 3 ×2cosθ = 8cos³θ x³+ 1/x³ = 8cos³θ - 6cosθ x³+ 1/x³ = 2(4cos³θ-3cosθ) Using identity [4cos³θ-3cosθ=cos3θ] x³+ 1/x³ = 2cos3θ
Farmers organisations has (1)/also been complaining about (2)/scarcity of fertilizers and (3)/increase in its price (4).
Direction: In the following question, a sentence is given, divided into 5 parts. Part (E) is grammatically correct. Out of the other four parts, one pa...
Life is much vaster (A)/and deeper, it cannot be (B)/lived with the aide (C)/of an extinguishable lamp (D).
In the sentence, identify the segment which contains the grammatical error.
As a consequently, (1)/ some have suffered (2)/ irreversible dama...
This may require the polluters or the pollution-controlling authority to install meters for record the emission or the effluent discharged in the proc...
I recognized the captain of (A)/the proa between those who (B)/had previously visited me (C).
The vaccine, when hit the Indian market, was dogged by controversy.
Two years after a wave of fire and violence/ consumed the Rohingya, there had been/ too much impunity/ and too little accountability.
Due to late flowering, (1)/the season will (2)/start late and end late (3)/than usual this year (4).
Spot the grammatical errors in the given sentence. Mark the part with error as your answer. If there is no error, mark "No error" as the answer. (Ignor...
