1.What is the factored form of ײ–6×+8?
A.(×–2 ) (×+4) B.(×–8) (×+1) C.(×–2) (×–4) D.(×–8) (×–1 2.what is the factored form of ײ–49? A.(×–7) (×+7) B.(×–49) (×+49) C.(×–7) (×–7) D.(×–49) (×–49) 3.factor the following expression:ײ+8×+12? A.(×–6) (×–2) B.(×+6) (×+2) C.(×+4) (×–3) D.(×–4) (×–3)
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]