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‘The most important contribution to the creation of a united Italy in 1861 was made by Cavour.’ How far do you agree?

This question is rooted in broader debates about historical causation. Such debates can be identified in most A Level questions and can essentially be boiled down to assessing the most important agents of...

Answered by Jack B. • History tutor

3060 Views

Prove by induction that for all positive integers n , f(n) = 2^(3n+1) + 3*5^(2n+1) , is divisible by 17.

Prove the base caseFor n=0, f(0)= 2 + 15 = 17Therefore, when n=0, f(n) is divisible by 17, base case is true2. Assume true for any integerAssume for n=k, f(k) is divisible by 17f(k)= 2^3k+1
SE
Answered by Salma E. • Further Mathematics tutor
3104 Views

what is the site of gas exchange in the lungs

the alveoli (air sacs that follow from the bronchioles)

Answered by Sito E. • Biology tutor

2494 Views

what are isotopes and why do they have the same properties?

Isotopes are atoms of the same element that have the same proton number but different nucleon number. TRAIN OF THOUGHT --- Isotopes have the s...

Answered by Sito E. • Chemistry tutor

2356 Views