O
Omed62
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HEY GUYS!
Guys see the below solutions, feel free to correct it, with full worked out solutions.
Practice Question: PROBABILITY:
I will start...
Q1. In how many ways can three groups of three numerals be chosen without replacement from the nine numerals 1,2,3,4,5,6,7,8,9 ?
9!/3!x3!x3!=?
Q2. In how many ways can a group of three letters be chosen without replacement from the nine letters of the world AUSTRALIA?
9C3= 84
PRACTICE QUESTIONS: COMPLEX Numbers:
Q1. In an Argand diagram the vectors OP and OQ represent the complex numbers z and w repectively such that Triangle OPQ is equilateral.
What is an expression for z^2 +w^2.
I planned to keep on posting questions to help other students for their upcoming half yearly exams, so please make sure you post your answers.
Guys see the below solutions, feel free to correct it, with full worked out solutions.
Practice Question: PROBABILITY:
I will start...
Q1. In how many ways can three groups of three numerals be chosen without replacement from the nine numerals 1,2,3,4,5,6,7,8,9 ?
9!/3!x3!x3!=?
Q2. In how many ways can a group of three letters be chosen without replacement from the nine letters of the world AUSTRALIA?
9C3= 84
PRACTICE QUESTIONS: COMPLEX Numbers:
Q1. In an Argand diagram the vectors OP and OQ represent the complex numbers z and w repectively such that Triangle OPQ is equilateral.
What is an expression for z^2 +w^2.
I planned to keep on posting questions to help other students for their upcoming half yearly exams, so please make sure you post your answers.
