If =5, =13 and b =25 find a.b: - Vidyadip

MCQ

If $\mid\text{a}\mid=5,\mid\text{b}\mid=13$ and $\mid\text{a}\times{\text{b}}\mid=25$ find $a.b:$

A
$\underline{+}10$
B
$\underline{+}40$
✓
$\underline{+}60$
D
$\underline{+}25$

✓

Answer

Correct option: C.

$\underline{+}60$

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