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If x = 4, y = 3, find x^y + y^x. - Mathematics

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Question

If x = 4, y = 3, find xy + yx.

Sum
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Solution

Given:

  • x = 4
  • y = 3 Find xy + yx

Step-wise calculation:

1. Compute (xy):

xy = xy

xy = 43

xy = 4 × 4 × 4

xy = 64

2. Compute (yx):

yx = yx

yx = 34

yx = 3 × 3 × 3 × 3

yx = 81

3. Add the two results:

xy + yx = 64 + 81

xy + yx = 145

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Chapter 6: Indices/Exponents - Exercise 6B [Page 131]

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Nootan Mathematics [English] Class 9 ICSE
Chapter 6 Indices/Exponents
Exercise 6B | Q 8. | Page 131
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