Question

a+b=13,,a-b=3,,now,ab=?
a)40..b)80..c)160..d)180..


Ans plzz.. Which is Correct??​

Answer 1

Answer:

a)40

Explanation:

a = 3 + b put in equation 1

3 + b + b = 13

2b = 13 - 3

2b = 10

b = 5 put value of b in equation 2

a = b + 3

a = 5 + 3

a = 8

Answer 2

Answer:

a) 40

Explanation:

See the picture added above.

Hopeful to be helpful