Class 9 RD SHARMA Solutions Maths Chapter 2 - Exponents of Real Numbers
Ex. 2.1
Ex. 2.2
2.29
2.30
2.31
2.32
2.33
Exponents of Real Numbers Exercise 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
Exponents of Real Numbers Exercise 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)
Exponents of Real Numbers Exercise 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
Exponents of Real Numbers Exercise 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).