4. यदिa+b=9 तथा ab= 20 है तो a^2+b^2 का मान ज्ञात करे?
(a)21
(b)41
(c)60
(d) इनमें से को
Answers
Answered by
9
Answer:
b. 41
Step-by-step explanation:
a+b=9
=a=9-b=5
a=5,b,4
4×5=20
4²=16
5²=25
16+25=41
Answered by
0
Answer:
I don't know oooooooooooooo
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