Question

please tell the answer fast there was my fa1 test​

Answer 1

Answer:

Here your Answer.

Step-by-step explanation:

• If '@' be defined as a@b = (a×b)+(a-b)

Soluation:-

The Formula,    a@b=(a*b)+(a-b)

a) 5 @ 4

= (5×4)+(5-4)

= 20+1

= 21

b) (-10) @ (-6)

= [{(-10)×(-6)}+{(-10)-(-6)}]

= 60+{-10+6}

= 60-4

= 56

c) (-3) @ 7

= {(-3)×7}+{(-3)-7}

= (-21)+(-10)

= -31

                       = 0 =