Math, asked by radhikachavda6193, 9 months ago

If15cr=15cr+3 then find 8pr

Answers

Answered by rajv41724

Answer:

Solution(By Examveda Team) 15 is a superscript of C and 3r, r+3 are subscripts of C. If 15C3r = 15Cr+ 3 , then we follow the formula: Cx = nCy where x = y OR x + y = n. r cannot be a fraction since this will give us 1.5 therefore the answer will be r = 3.

Previous Question

Next Question

Similar questions

Math, 4 months ago

(a) The diameter of a circle whose circumference is 22 Cm is - (1) 3.5 cm. ( 2) 7 cm. (3) 14 Cm. (4) 12 Cm.

Math, 4 months ago

send fast with process ...

Hindi, 4 months ago

दुम दबाकर भाग जाना '' - मुहावरे का अर्थ क्या है ? * क) डर कर भाग जाना ख) खुशी से भाग जाना ग) भाग जाना घ) दुम दबाकर भाग जाना...

Math, 9 months ago

from a point on the ground 40 metre away from the foot of a tower the angle of elevation of the top of the tower is 30 degree the angle of elevation of the top of the water tank is 45 degree find the height of the tower...

English, 9 months ago