Subject
Quantitative Aptitude
Topic
Solution
If a+b=13 and a-b= 3,then value of a2+b2=?
If a+b=13 and a-b= 3,then value of a2+b2=?
ক)
69খ)
79গ)
89ঘ)
91Explanation
Here, a+b=13 and a-b= 3 So, a2+b2={(a+b)2+(a-b)2}/2 = {(13)2+(3)2}/2 =(169+9)/2 =178/2=89Related questions
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