Question

if a=7 and b=3 find a²-b²​

Answer 1

Step-by-step explanation:

a²-b²

7²-3²

49-9

40

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Answer 2

Answer:

40

Step-by-step explanation:

Given:

a = 7

b = 3

To Find:

${a}^{2} - {b}^{2}$

Solution:

We will substitute the given values of a and b in a square - b square, i. e.,

$( {7}^{2} - {3}^{2} )$

$= (49 - 9)$

$= 40$

Therefore, 40 is your answer.