HHH

the sum of n terms of the series 4+6+9+13...........is A) (n/6)(n²+3n+20) B)(n/6)(n²-3n-20) c) (n²+3n+20) D) none

the sum of n terms of the series 1, (1+2), (1+2+3)............is A) (n/3)(n+1)(n-1) B)(n/6)(n+1)(n-1) c) (n²+3n+20) D) none

the sum of n terms of the series 1²/1 + (1²+2²)/2 + (1²+2²+3²)/3.....is A) (n/36)(4n²+15n+17) B)(n/6)(n+1)(n-1) c) (n²+3n+20) D) none

Let' s try it the right way this time. A person begins walking at noon one day from point A and travels at a constant velocity along a straight line path to point B a distance D away, arriving at 7 pm that evening. The very next day, the traveler leaves B...

ANITA IS 110PERCENT RIGHT

Je neede helpe