5. Find the value of ( ab ) when (a+b=10) and (a-b=6)
Answers
Answered by
1
Answer:
so
a wil be 8
b will be 2
and
ab will be 8*2 =16
Answered by
1
Answer:
a=8 , b= 2
Step-by-step explanation:
When you solve both the given equations simultaneously,
That is, add both the equations, you get:
a + b + a - b = 10 + 6
=> 2a = 16
=> a= 8
Substitute this value of a in any equation and get b.
Once you get a and b, get ab
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