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A-
A
A+
If
and
then find
∴
∴
|
= (0
2
+ 19
2
+ 19
2
)
1/2
= (2×19
2
)
1/2
= 19√2
Ans:
∴
|
= 19√2
1
and 
then find 
= (02 + 192 + 192)1/2 = (2×192)1/2 = 19√2
= 19√2 and then find = (02 + 192 + 192)1/2 = (2×192)1/2 = 19√2 = 19√2