Question

find the common difference, nth term of an ap is given by an=9-5n

Answer 1

last term is 9-5n. an=9-5n. a1=9-5(1)=4. means first term is 4.now. a2=9-5(2)=-1. means second term is -1. and second term -first term is c.d so -1-4=-5. so ap is 4,-1,-6,-11....

Answer 2

Answer:

last term is 9-5n. an=9-5n. a1=9-5(1)=4. means first term is 4.now. a2=9-5(2)=-1. means second term is -1. and second term -first term is c.d so -1-4=-5. so ap is 4,-1,-6,-11....

Step-by-step explanation: