Question

The factorisation of ab+1-a-b is *​

Answer 1

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Answer 2

Answer:

»»————> Here is my answer

$\mathcal\red{♥*♡∞:｡.｡　　KRITIKA}$

Step-by-step explanation:

→ ab + 1 - a - b

→ a ( b - 1 ) - 1 ( b - 1 )

→ ( a - 1 ) . ( b - 1 )

_____________________

=> a - 1 = 0

=> a = 1

♥*♡∞:｡.｡»» OR ««

=> b - 1 = 0

=> b = 1