Chapter 7
Mathematics for IIT JEE Main and Advanced Differential Calculus Algebra Trigonometry · 405 exercises
Problem 52
$$ \frac{1}{x-1}-\frac{4}{x-2}+\frac{4}{x-3}-\frac{1}{x-4}=\frac{1}{30} $$
6 step solution
Problem 53
$$ \sqrt{x+1}=8-\sqrt{3 x+1} $$
5 step solution
Problem 54
$$ \sqrt{17+x}-\sqrt{17-x}=2 $$
4 step solution
Problem 55
$$ \sqrt{3 x+7}-\sqrt{x+1}=2 $$
5 step solution
Problem 56
$$ \sqrt{25-x}=2-\sqrt{9+x} $$
4 step solution
Problem 57
$$ \left(x^{2}-4\right) \sqrt{x+1}=0 $$
6 step solution
Problem 58
$$ \sqrt{4 x-3}+\sqrt{5 x+1}=\sqrt{15 x+4} $$
10 step solution
Problem 59
$$ \sqrt{x+5}+\sqrt{x+3}=\sqrt{2 x+7} $$
6 step solution
Problem 60
$$ \sqrt{4-x}+\sqrt{5+x}=3 $$
5 step solution
Problem 61
$$ \sqrt{4 x+2}+\sqrt{4 x-2}=4 $$
6 step solution
Problem 62
$$ \sqrt{2 x+5}-\sqrt{3 x-5}=2 $$
6 step solution
Problem 63
$$ \sqrt{x^{2}+x-5}+\sqrt{x^{2}+8 x-4}=5 $$
6 step solution
Problem 64
$$ \sqrt{x^{2}+x+1}=\sqrt{x^{2}-x+1}+1 $$
6 step solution
Problem 65
$$ \sqrt{x+\sqrt{x+11}}+\sqrt{x-\sqrt{x+11}}=4 $$
8 step solution
Problem 66
$$ \sqrt{x-\sqrt{x-2}}+\sqrt{x+\sqrt{x-2}}=2 $$
10 step solution
Problem 67
$$ \sqrt[3]{x+34}-\sqrt[3]{x-3}=1 $$
3 step solution
Problem 68
$$ \sqrt[3]{x+5}+\sqrt[3]{x+6}=\sqrt[3]{2 x+11} $$
6 step solution
Problem 69
$$ \sqrt[3]{x+1}+\sqrt[3]{3 x+1}=\sqrt[3]{x-1} $$
5 step solution
Problem 70
$$ \sqrt[3]{x+1}+\sqrt[3]{x+2}+\sqrt[3]{x+3}=0 $$
4 step solution
Problem 71
$$ \sqrt[3]{1+\sqrt{x}}+\sqrt[3]{1-\sqrt{x}}=2 $$
3 step solution
Problem 72
$$ |x+1|+x=3 $$
4 step solution
Problem 73
$$ |x|+|x+1|=1 $$
6 step solution
Problem 74
$$ |x+1|+|x+2|=2 $$
3 step solution
Problem 75
$$ |x-1|-|x-2|=1 $$
12 step solution
Problem 76
$$ |x-2|+|4-x|=3 $$
3 step solution
Problem 77
$$ |x-1|+|x-2|=1 $$
4 step solution
Problem 78
$$ |x-2|+|x-3|+2|x-4|=9 $$
16 step solution
Problem 79
$$ |2 x+1|-|3-x|=|x-4| $$
6 step solution
Problem 80
$$ |x-1|+|1-2 x|=2|x| $$
2 step solution
Problem 81
$$ |x|-2|x+1|+3|x+2|=0 $$
5 step solution
Problem 82
$$ |x+1|-|x|+3|x-1|-2|x-2|=|x+2| $$
4 step solution
Problem 83
$$ |x|+2|x+1|-3|x-3|=0 $$
4 step solution
Problem 84
$$ |x|^{3}-3 x^{2}+3|x|-2=0 $$
4 step solution
Problem 85
$$ x^{2}+5|x|+4=0 $$
4 step solution
Problem 86
$$ \left|x^{2}-9\right|+|x-2|=5 $$
3 step solution
Problem 87
$$ \left|x^{2}-1\right|+x+1=0 $$
3 step solution
Problem 88
$$ \left|x^{2}-4\right|-\left|9-x^{2}\right|=5 $$
4 step solution
Problem 89
$$ \left|x^{2}-9\right|+\left|x^{2}-4\right|=5 $$
6 step solution
Problem 90
$$ \left|x^{2}+2 x\right|-|2-x|=\left|x^{2}-x\right| $$
4 step solution
Problem 91
$$ \left|x^{2}+4 x+3\right|+2 x+5=0 \text { . } $$
3 step solution
Problem 95
$$ || 3-2 x|-1|=2|x| $$
4 step solution
Problem 97
$$ \frac{\left|x^{2}-4 x\right|+3}{x^{2}+|x-5|}=1 $$
4 step solution
Problem 98
$$ |x|^{2}-3|x|+2=0 $$
4 step solution
Problem 99
$$ 3^{2 x^{2}-7 x+7}=9 $$
4 step solution
Problem 100
$$ \sqrt{3^{x}} \cdot \sqrt{5^{x}}=225 $$
5 step solution
Problem 101
$$ 2^{3 x} \cdot 5^{x}=1600 $$
3 step solution
Problem 102
$$ \left(9^{3-5 x}\right)\left(7^{5 x-3}\right)=1 $$
3 step solution
Problem 103
$$ \left(3^{2 x-1}\right)\left(5^{3 x+2}\right)=\frac{9}{5}\left(5^{2 x}\right)\left(3^{3 x}\right) $$
8 step solution
Problem 104
$$ 3 \cdot 4^{x}+\frac{1}{3} \cdot 9^{x+2}=6 \cdot 4^{x+1}-\frac{1}{2} \cdot 9^{x+1} $$
3 step solution
Problem 105
$$ 7^{\frac{2 x^{2}-5 x-9}{2}}=(\sqrt{2})^{3 \log _{2} 7} $$
3 step solution