Question

ajutorrr dau coroana va rogg


ex 4​

Answer 1

Răspuns:

Explicație pas cu pas:

A = √32 - √8 + √98 - √128 + √18 = 4√2 - 2√2 + 7√2 - 8√2 + 3√2 = 4√2

B = √75 - √147 + √243 - √108 + √12 = 5√3 - 7√3 + 9√3 - 6√3 = √3

C = √54 - √384 + √96 - √24 + √150 = 3√6 - 8√6 + 4√6 - 2√6 + 5√6 = 2√6

A*B/C = 4√2*√3/2√6 = 2

A*C/B = 4√2*√6/√3 = 8

B*C/A = √3*2√6/4√2 = 3/2

Answer 2

A=√32-√8+√98-√128+√18

A=4√2-2√2+7√2-8√2+3√2

A=2√2+7√2-8√2+3√2

A=√2+3√2

A=4√2

B=√75-√147+√243-√108+√12

B=5√3-7√3+9√3-6√3+2√3

B=7√3-6√3+2√3

B=3√3

C=√54-√384+√96-√24+√150

C=3√6-8√6+4√6-2√6+5√6

C= -5√6+4√6-2√6+5√6

C=-3√6+5√6

C=2√6

AxB/C=4√2x3√3/2√6

AxB/C=4x3/2

AxB/C=6

AxC/B=4√2x2√6/3√3

AxC/B=4x4/3

AxC/B=16/3

BxC/A=3√3x2√6/4√2

BxC/A=3x2x3/4

BxC/A=3x3/2

BxC/A=9/2

Succes!