diya4477
diya4477
07-11-2020
Mathematics
contestada
find the value of a and b
in
5+√3/7−4√3=a+b√3
Respuesta :
mhanifa
mhanifa
07-11-2020
Answer:
a = 47, b= 27
Step-by-step explanation:
(5 +√3)/(7 − 4√3) = a + b√3
(5 + √3)(7 + 4√3)/(7 − 4√3) (7 + 4√3) = a + b√3
(35 + 4√3² + 20√3 + 7√3)/(49 - 48) = a + b√3
35 + 12 + 27√3 = a + b√3
47 + 27√3 = a + b√3
a = 47, b= 27
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
a lamp rated 100w 220 v is connected to mains electric supply . what current is drawn from the supplyy line, if the voltage is 220 v?
Q:How is hemoglobin associated with respiration?Explain.
name human body organs where magnetism is significant
What's the value of X
400J of heat is produced in 4 sec in 4ohm resistor.calculate yhe PD across the resistor.
what if the bird sitting on tansmission wire touches both terminal's wire ?why
how many grams of NH3 can be prepared from 85.5 grams of N2 and 17.3 grams of H2 ?
why is there a gap or synapse between the nerve endings why can't itbe joined to the other nerve?
with the help of a reaction show that zinc is more reactive than iron.
How did the Black Hand contribute to World War 1?