send me all the formulas of algebra do not spam board exam today plz
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Answer:
formula method of quadratic equations :-
X= -b+/-√b²-4ac
A.P
d= t2 - t1
t2 = t1 + d
tn = a+(n-1) d
Sn = n/2 [2a+(n-1)d]
Step-by-step explanation:
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