If a+b=5, a-b= 1, let's show that 8ab(a²+ b²)=624 (using formula)
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Answered by
7
Answer:
624
Step-by-step explanation:
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Answered by
3
Answer:
Hey mate here is ur answer ❤️☺️
Step-by-step explanation:
a+b=5________1⃣
a-b=1_________2⃣
Adding eq. (1)&(2)
a+b+a-b=5+1
2a=6
a=3
Put a=3 in eq. (1)
a+b=5
3+b=5
b=2
L. H. S:
8ab(a²+b²)
=8(3×2){(3)²+(2)²}
=8(6)(9+4)
=48(13)
=624
As L.H.S =R.H.S
Hence proved ☺️
Hope it helps u mate ☺️❤️
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