(2a + 3b) (5a + 7b) = - Vidyadip

MCQ

$(2a + 3b) \times (5a + 7b) = $

A
$a \times b$
✓
$b \times a$
C
$a + b$
D
$7a + 10b$

✓

Answer

Correct option: B.

$b \times a$

b
(b) $14(a \times b) + 15(b \times a) = b \times a$.

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