5. If a+b = 2 find the value of a - ab+b
a² + ab + b?
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If a - b = 3 and a^2 + b^2 = 29, find the value of ab?
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6 Answers
Deep Arsh
Answered Feb 19, 2019
777 views · View 1 Upvoter · Answer requested by Jyotsna Paryani
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If a - b = 3 and a2 + b2 = 29, find the value of ab.?
If ab = 15 and a-b = 2 then what will be the value of a and b?
If (ab)^2=aabb, then what is the value of a and b?
If a+b=3 and a^2+b^2=7 what's a×b?
If
a
2
−
b
2
=21
a2−b2=21
and
a
2
+
b
2
=29
a2+b2=29
, then what is the value of
ab
ab
?
Hungenahalli Sitaramarao Badarinath, Ph.D. in Civil Engineering. Maths keeps one mentally active.
Answered Mar 27, 2019 · Author has 18.7k answers and 7.7m answer views
a-b = 3, or
a^2–2ab+b^2 = 9
But a^2+b^2 = 29. So
29–9 = 20 = 2ab, or
ab = 20/2 = 10. Answer.
132 views · Answer requested by Jyotsna Paryani
Dipankar Goswami, B.E. Computer Science, Sardar Vallabhbhai National Institute of Technology, Surat (2006)
Answered Feb 19, 2019
(a-b)^2 =a^2 +b^2 - 2ab
=> 3^2 = 29 - 2ab
=> 2ab = 29 - 3^2
=> 2ab = 29 - 9
=> 2ab = 20
=> ab = 10
Answer is 10
151 views
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If a - b = 3 and a2 + b2 = 29, find the value of ab.?
If ab = 15 and a-b = 2 then what will be the value of a and b?
If (ab)^2=aabb, then what is the value of a and b?
If a+b=3 and a^2+b^2=7 what's a×b?
If
a
2
−
b
2
=21
a2−b2=21
and
a
2
+
b
2
=29
a2+b2=29
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Related Questions
If a - b = 3 and a2 + b2 = 29, find the value of ab.?
If ab = 15 and a-b = 2 then what will be the value of a and b?
If (ab)^2=aabb, then what is the value of a and b?
If a+b=3 and a^2+b^2=7 what's a×b?
If
a
2
−
b
2
=21
a2−b2=21
and
a
2
+
b
2
=29
a2+b2=29
, then what is the value of
ab
ab
?
If a^3+b^3 = 72 & a^2-b^2 = 12, what is the value of a & b?
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