12Th Term Is 50 Sum Of First 12 Term Is 336 .Find First Term And Common Difference
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Answer:
a=6
d=4
Step-by-step explanation:
12th term = a+(n-1)d=50
a+(12-1)d=50
a+11d=50
sum of 12 terms = n/2 (2a+(n-1)d)=336
12/2 (2a+11d)=336
2a+11d=56
by solving
a=6
d=4
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