Question

括号4倍的根号3加根号7括号加根号2分之1乘根号8减括号1减根号2括号的平方

Answer 1

括号4倍的根号3加根号7括号加根号2分之1乘根号8减括号1减根号2括号的平方=4倍的根号3加根号7+6倍根号2减3。

Answer 2

(4√3+√7)+1/√2*8-(1-√2)^2=(4√3+√7)+4√2-(1-2√2+2)
=4√3+√7+4√2-1+2√2-2
=4√3+√7+6√2-3