Question

(1+1/2)(1+1/3)(1+1/4).......(1+1/39)=​

Answer 1

Answer:

1. (1+1/2)(1+1/3)......(1+1/39).
2. Take LCM.
3. (3/2)(4/3)5/4)......(40/39).
4. cancel the same number in numerator and denominator.
5. now we've (40/2)
6. ie.) 20.

Answer 2

Step-by-step explanation:

$(1 + 1) \div 2 \\ = 2 \div 2 \\ = 1$

$(1 + 1) \div 3 \\ = 2 \div 3 \\ = \frac{2}{3}$

$(1 + 1) \div 4 \\ = 2 \div 4 \\ = 2$

$(1 + 1) \div 39 \\ = 2 \div 39 \\ = \frac{2}{39}$

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