Q22)
import math
x=int(input("enter x"))
n=int(input("Enter n"))
s=0
y=4
for i in range(2,n+1):
if not i%2:
s-=math.pow(x,i)/math.factorial(y)
else:
s+=math.pow(x,i)/math.factorial(y)
y+=2
print("Sum is ",1-s)
enter x2
Enter n3
Sum is 1.1555555555555554
Q23)
n=int(input("Enter n"))
s=0
for i in range(1,n+1):
for i in range(1,i+1):
s+=i
print("Sum is ",s)
Enter n3
Sum is 10
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