RD SHARMA Solutions for Class 9 Maths Chapter 2 - Exponents of Real Numbers
Chapter 2 - Exponents of Real Numbers Ex. 2.1
Solution 1(i)
Solution 1(ii)
Solution 1(iii)
Solution 1(iv)
Solution 1(v)
Solution 1(vi)
Solution 2(i)
Solution 2(ii)
Solution 2(iii)
Solution 3(i)
Solution 3(ii)
Solution 4(i)
Solution 4(ii)
Solution 5(i)
Solution 5(ii)
Solution 6
Solution 7(i)
Solution 7(ii)
Solution 7(iii)
Solution 7(iv)
Solution 8(i)
Solution 8(ii)
Solution 8(iii)
Solution 8(iv)
Solution 8(v)
Solution 8(vi)
Solution 9(i)
Solution 9(ii)
Solution 10
Solution 11
Solution 12
Solution 13
Chapter 2 - Exponents of Real Numbers Ex. 2.2
Solution 1(i)
Solution 1(ii)
Solution 1(iii)
Solution 1(iv)
Solution 1(v)
Solution 1(vi)
Solution 1(vii)
Solution 2(i)
Solution 2(ii)
Solution 2(iii)
Solution 2(iv)
Solution 2(v)
Solution 2(vi)
Solution 2(vii)
Solution 3(i)
Solution 3(ii)
Solution 3(iii)
Solution 3(iv)
Solution 3(v)
Solution 3(vi)
Solution 3(vii)
Solution 3(viii)
Solution 3(ix)
Solution 4(i)
Solution 4(ii)
Solution 4(iii)
Solution 4(iv)
Note: Question modified
Solution 4(v)
Solution 4(vi)
Solution 4(vii)
Solution 4(viii)
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10(i)
Solution 10(ii)
Solution 10(iii)
Solution 10(iv)
Solution 10(v)
Solution 10(vi)
Solution 10(vii)
Solution 10(viii)
Solution 10(ix)
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Solution 16(i)
Solution 16(ii)
Solution 16(iii)
Solution 16(iv)
Solution 16(v)
Solution 16(vi)
Solution 17
Solution 18(i)
Solution 18(ii)
Solution 19
Solution 20
Solution 21(i)
Solution 21(ii)
Solution 22
Solution 23(i)
Solution 23(ii)
Chapter 2 - Exponents of Real Numbers 2.29
Solution 1
{2 - 3(2 - 3)3}3
= {2 - 3(-1)3}3
= {2 - 3(-1)}3
= {2 - (-3)}3
= {2 + 3}3
= {5)3
= 53
= 125
So, correct option is (b).
Solution 2
x = 2, y = -2
x - y = 2 - (-2) = 2 + 2 = 4
Now x - yx-y = 2 - (-2)4 = 2 - 16 = -14
So, correct option is (d).
Solution 3
Solution 4
Solution 5
Chapter 2 - Exponents of Real Numbers 2.30
Solution 6
Solution 7
Solution 8
8x+1 = 64 = (8)2
so, x + 1 = 2
Hence, x = 1
Now, 32x + 1 = 32(1) + 1 = 33 = 27
Hence, correct option is (d).
Solution 9
Solution 10
Solution 11
Solution 12
Solution 13
Solution 14
Solution 15
Chapter 2 - Exponents of Real Numbers 2.31
Solution 16
Solution 17
Solution 18
Solution 19
Solution 20
Solution 21
Solution 22
Solution 23
Solution 24
Solution 25
Solution 26
Chapter 2 - Exponents of Real Numbers 2.32
Solution 28
Solution 27
Solution 29
Solution 30
Solution 31
Solution 32
Solution 33
Solution 34
Solution 35
Solution 36
Chapter 2 - Exponents of Real Numbers 2.33
Solution 37
Solution 38
Solution 39
Solution 40
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