Question

a+b=6 , a-b=4 find ab​

Answer 1

Answer:

a = 5, b = 1 are a and b respectively

Answer 2

Answer:

ab =5

Step-by-step explanation:

Given,

a + b = 6 …… (1)

a - b = 4 ……. (2)

Method 1: (easiest)

add equation (1) and (2), we get

2a = 6 + 4

=> 2a = 10

=> a = 5

substitute value of a in either of equation (1) or (2),

=> b = 1

Hence ab = 5.1 = 5

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