Question

sir, please upload vidoe lecture of each and every question of maths class 11. Its really helpful. Thank You!

what is the ans of this que

a point E is taken on the side of parallelogram ABCD. AE and DC are produced to meet at F. Prove that area of triangleDEC is equal to area of triangleDEC BEF

 why can't we take 1 as the identity element? Because 1/1 =1/1=1

1. Sinx=-1/2
   

HELLO SIR, IN GST IF  TAX PERCENT IS 5% GST   IN BELOW  500  AND ABOVE IS 18% FOR FOOTWEAR.

CAN YOU PLASE TELL THE RATE OF PERCENTAGE 5%  18%  CALCULATION

A PAIRS OF SHOES WHICH  MRP   799  BUT  SELLING PRICE IS  380  (SALE RATE)

HOW MUCH TAX SHOULD WE CHARGE ON THAT  ON SALES RATE 5%

OR  ON MRP 18%

sir,

    if the different permutations of all the letters of the word TEACHER listed as in a dictionary , how many words are there in the list before the first word starting with H