Write a shell script in Linux/Unix to find the sum of squares of n natural numbers.

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tput clear

echo ENTER THE NUMBER OF ELEMENTS-

read n

i=1

sum=0

while test $i -le $n

do

p=`expr $i \* $i`

sum=`expr $sum + $p`

i=`expr $i + 1`

done

echo $sum

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OUTPUT:

ENTER THE NUMBER OF ELEMENTS-

5

55