find the value of : 4ab if a + b equal to 9 and minus b equal to 5
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GIVEN ,
A+B=9 -------(1)
AND
-B=5
B=-5
4AB=? ----(2)
SO NOW PUT THE VALUE OF B=-5 in EQUATION (1)
A+(-5)=9
A - 5 =9
A=9+5=14
NOW PUT THE VALUE OF "A" AND "B"
IN EQUATION (2)
4AB = 4×14×(-5)
= -280
HOPE IT HELPED !!
THANK YOU !!
BE BRAINLY !!
A+B=9 -------(1)
AND
-B=5
B=-5
4AB=? ----(2)
SO NOW PUT THE VALUE OF B=-5 in EQUATION (1)
A+(-5)=9
A - 5 =9
A=9+5=14
NOW PUT THE VALUE OF "A" AND "B"
IN EQUATION (2)
4AB = 4×14×(-5)
= -280
HOPE IT HELPED !!
THANK YOU !!
BE BRAINLY !!
TheLostMonk:
now i corrected it ,you can do it !!
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