Math, asked by skks0330, 1 year ago

plz..answer it friends....

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Answered by arohie

1

a.b+b.c+c.a
a=5
b=6
c=7
a.b=5×6=30
b.c=6×7=42
c.a=5×7=35
=30+42+35=107

skks0330: but the answer is given as -55

skks0330: a is not equal to ; |a| =5

arohie: what is |a| equal to...

skks0330: read the questionagain u can get it

arohie: ok...U know wt is |a| equal to....?

skks0330: ss..5

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