The value of (-2)^{2 × 3 - 1} is
(a) -32
(b) -64
(c) 32
(d) 64

Solution:

The Correct answer is (a)

Given, (-2)^{2 × 3 - 1}

= (-2)^{6 - 1} = (-2)⁵

= -32

✦ Try This: The value of (-3)^{2 × 4 - 4} is (a) 27, (b) 81, (c) -27, (d) -81

The Correct answer is (b)

Given, (-3)^{2 × 4 - 4} = (-3)^{8 - 4} = (-3)⁴ = 81

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 12

NCERT Exemplar Class 8 Maths Chapter 8 Problem 9

The value of (-2)^{2 × 3 - 1} is (a) -32, (b) -64, (c) 32, (d) 64

Summary:

The value of (-2)^{2 × 3 - 1} is -32

☛ Related Questions:

• The value of (-2/3)4 is equal to (a) 16/81, (b) 81/16, (c) -16/81, (d) 81/-16
• The multiplicative inverse of (-5/9)-99 is (a) (-5/9)99, (b) (5/9)99, (c) (9/-5)99, (d) (9/5)99
• If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to (a) xm, (b) xm . . . .