aysha123994 aysha123994

01-06-2018
Mathematics

contestada

Please help.........
Find the value of a and b, when a + b √15 = √5+√3 (by) √5-√3

Respuesta :

tramserran tramserran

01-06-2018

a + b√15 = (√5 + √3)(√5 - √3)
a + b√15 = 5 - 3
a + b√15 = 2
= 2 + 0√15

Answer: a = 2, b = 0

Answer Link

Otras preguntas

Which equation has both 4 and -4 as possible values of y? a. y3 = 64 b. y2 = 8 c. y3 = 8 d. y2 = 16

Which expression is equivalent to 16a + 24b ?

____ has contributed the greatest number of immigrants to the United States. france england germany ireland

Henry is four times older than James. Next year, Henry will be three times older than James will be. How old are Henry and James now? a. James is 3 years old;

A group of similar cells that perform a single function is called a(an) a. nerve. c. tissue. b. organ. d. organ system.

How many miles do you estimate it would be if you still the strip around the equator

The reciprocal of a fraction less than 1 is always a fraction greater than 1. Why is this?

____ has contributed the greatest number of immigrants to the United States. france england germany ireland

Which words are used as nouns in this sentence? Choose all answers that are correct. Lobsters can pinch the skin with their claws. a. pinch b. their c. skin d

Evaluate the expression when r = 8.2 and s = –3.7. r – 2s a. –22.94 b. 0.8 c. 4.5 d. 15.6