If a - b=0.9 and ab =0.36. Find -
(i) a + b
(ii) a*a - b*b
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Answered by
6
Hey mate,.
(I) (a+b)²=(a-b)²+4ab
=(0.9)²+4(0.36)
=-0.63
(a+b)=√-0.63
Hope it will help you
✌️sai
getlost25:
which formula is this
Answered by
8
Answer:
Step-by-step explanation:
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