1.

If a=1 b=-2c=-1 show that 7a+b+c=2abc​

Answer»

a=1

b=(-2)

c=(-1)

To SHOW: 7a +b+c = 2abc

______________

LHS = 7a + b + c

= 7(1)+(-2)+(-1)

=7-2-1

=4

______________

RHS=2abc

=2(1)(-2)(-1)

=2(-2)(-1)

=2(2)

=4

______________

LHS = RHS

Hence verified .

\tt{Hope \: \: this \: \: helps \: \: you \: !}


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