06 Jan 2021: UPSC Exam Comprehensive News Analysis
6 Jan 2021 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS... View Article
6 Jan 2021 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS... View Article
January 5th, 2021, PIB:- Download PDF Here TABLE OF CONTENTS 1. PM CARES Fund 2. DRDO’s Advanced Biodigester Mk-II Technology... View Article
sin(2x) = sinx =2sinxcosx – sinx = 0 =sinx(2cosx – 1) = 0 =sinx = 0 or cosx = 1/2... View Article
sin (5∏/6) = sin (∏ – ∏/6) We know that sin (∏-x) = sin x sin (∏ – ∏/6)= sin... View Article
If n is a positive integer that is greater than x and a is a real number or a factor,... View Article
The steps to simplify (1/2)-2 is given below: \(\begin{array}{l}(\frac{1}{2})^{-2}= (\frac{1^{-2}}{2^{-2}}) = (\frac{1}{\frac{1}{2^{2}}})= 2^{2} = 4\end{array} \)
Since there is no base noted in subscript to the right of the log, this logarithm is in base 10.... View Article
log2 16 Let us consider log2 16 = x So, (2)x = 16 = 2 × 2 × 2 ×... View Article
Let log81 = x =>8x= 1 = 80 => Hence x = 0
We know that logb(1) = 0 b0 = 1 log7(1) = 0
A prime number is a positive integer having exactly two factors. If p is a prime, then it’s only factors... View Article
By prime factorisation of 64, we get; 64 = 2 × 2 × 2 × 2 × 2 × 2... View Article
sin(315)=sin(−45+360)=sin(−45)=sin(−45)=−sin(45) Trignometric table gives – > sin315=−sin45=−22 cos315=cos(−45)=cos(45)=22 tan315=cossin=−1 cot315=1/tan=−1 sec=1/cos=2 csc=1/sin=−2
We have to solve x3-1 Solution x3-1 is in the form x3 – 13 It is in the form of... View Article
395 We know, (a-b) 2= a2-2ab+b2 395 = (400-5)2 = (400)2 + 52 – 2 (400) (5) = 160000 +... View Article
\(\begin{array}{l}2^{\frac{4}{3}}=\sqrt[3]{2^{4}} = \sqrt[3]{16} = 2.51984\end{array} \)
Sec x = 1/cosx Sec 90° = 1/ cos 90° Sec 90° = 1/ 0 Sec 90° = undefined
We have to solve 1/√2 Solution 1/√2 Now we will rationalise the denominator by multiplying numerator and denominator by √2... View Article
We have to evaluate 1/2 Solution 1 / 2 We need to divide 1 by 2. On dividing, we get... View Article
2x= 64 We have to find the value of x Solution 64 can be expressed in powers of 2 as... View Article