Study the following pattern:
1 = (1 × 2)/ 2
1 + 2 = (2 × 3)/ 2
1 + 2 + 3 = (3 × 4)/ 2
1 + 2 + 3 + 4 = (4 × 5)/ 2
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Answer:
1.as per question 1=1×2/2
1=2/2
1=1
2.as per question 1+2=(2×3)/2
3=6/2
3=3
3.as per question 1+2+3=(3×4)/2
6=12/2
6=6
4.as per question 1+2+3+4=(4×5)/2
10=20/2
10=10
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