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Sum of series with alternate signed squares of AP | Function to calculate series sum.
Driver code"
Solution in Python:
assistant
#Here is code to sum of series with alternate signed squares of AP and the other steps required.
 def seiresSum ( n , a ) :
	return ( n * ( a [ 0 ] * a [ 0 ] - a [ 2 * n - 1 ] * a [ 2 * n - 1 ] ) / ( 2 * n - 1 ) )
n = 2
a = [ 1 , 2 , 3 , 4 ]
print ( int ( seiresSum ( n , a ) ) )