Question

if a=4 , b=7, then find the values of (ab- ba) -1​

Answer 1

Answer:

A=4 , B= 7

(4×7-7×4)-1

(28-28)-1

0-1

=-1

Answer 2

Answer:

-28

Step-by-step explanation:

a=4

b=7

so,

$(47 - 74) - 1$

$47 - 74 = - 27$

$-27 - 1 = - 28$

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