If a+b=9 and ab=20, find the value of a2_b2
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Ashal:
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A is 4 or 5 and b is 4 or 5 CI : 0-10 10-20 and so on till 60. Frequency: 5 ,x ,20 , 14,y,8
i dont know stats
Sorry it’s not for u
don't ask me
Ashal a and b is 4 or 5 and final ans is plus or minus 9
yea
because a-b has 2 values ±9
I did it but could not understand ur handwriting that’s why I told it again to confirm sorry
no problem
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