5.1×5.2 using(x+a)(x+b) find
Formula=x^2+(a+b)x+ab
Answers
Answered by
17
let x=5,a=0.1,b=0.2
(x+a)(x+b)=x^2 +(a+b)x+ab
(5+0.1)(5+0.2)=25+(0.3)5+0.02
5.1*5.2=25+1.5+0.02=26.52
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(x+a)(x+b)=x^2 +(a+b)x+ab
(5+0.1)(5+0.2)=25+(0.3)5+0.02
5.1*5.2=25+1.5+0.02=26.52
mark as brainliest... if helped
Answered by
5
using the formula and =(5+0.1)(5+0.2)
=5^2+(0.1+0.2)5+0.1×0.2
=25+1.5+0.02
=26.52
=5^2+(0.1+0.2)5+0.1×0.2
=25+1.5+0.02
=26.52
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