if the cost of one pen is (a2+10a+25)then find the total of (a+5)number of such pens

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Answer:    ₹(a³ +15a²+75a+125)     is     the     correct     answer     so now just multiply (a^2 +10a+25)(a+5) that's it expand it your answer is ready I hope u cracked the logic now..      Step-by-step explanation:    if useful then like it  .  .

Lydia

in a triangle ABC , IF A=65 degree and B=44 degree , find the measure of C

Marks of 12 students in a unit test are given as 4, 21, 13, 17, 5, 9, 10, 20, 19, 12, 20, 14.
Assume a mean and calculate the

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