if A = (-14+4) and B = 4-14. then AB =?
Answers
Answered by
14
Hey...
⭐⭐⭐⭐⭐⬇⬇⬇
A = (-14+4)
B = (4-14)
A= - 10
B= - 10
AB=(-10)*(-10)
⭐⭐
⭐⭐AB= 100⭐⭐
⭐⭐⭐⭐⭐⬇⬇⬇
A = (-14+4)
B = (4-14)
A= - 10
B= - 10
AB=(-10)*(-10)
⭐⭐
⭐⭐AB= 100⭐⭐
srikarsir:
No actually in an exam answer was given as zero.. Please let me know how come
if there is A+B, then its possible
Answered by
2
Since,
A = - 14 + 4
B = 4 – 14
Then AB = (-14 + 4) (4 – 14)
If you observe it clearly then it is the same thing 4 – 14
Hence it will be (4 – 14)^2
Hence use (a - b)^2 = a^2 + b^2 - 2*a*b
Hence, 4^2 + 14^2 – 2*4*14
8 + 28 – 112
-76
ans is 0 how to derive it
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