from sys import stdin
import numpy as np

input = stdin.readline

def cb(a):
    if a >= 0:
        return pow(a, 1 / 3)
    else:
        return -pow(-a, 1 / 3)

T = int(input())

ret: list[str] = []

for _ in range(T):
    a, b = map(float, input().split())
    c, d = map(float, input().split())
    A = np.array([[a, b], [c, d]])

    eigval, eigvec = np.linalg.eigh(A)
    M = np.array([[eigvec[0][0], eigvec[0][1]], [eigvec[1][0], eigvec[1][1]]])

    e0 = cb(eigval[0])
    e1 = cb(eigval[1])

    m0 = eigvec[0][0]
    m1 = eigvec[0][1]
    m2 = eigvec[1][0]
    m3 = eigvec[1][1]

    # B = M @ np.diag([e0, e1]) @ M.T
    # ret.append("{:1.5f} {:1.5f}".format(B[0][0], B[0][1]))
    # ret.append("{:1.5f} {:1.5f}".format(B[1][0], B[1][1]))

    ret.append("{:1.5f} {:1.5f}".format(m0 * m0 * e0 + m1 * m1 * e1, m0 * m2 * e0 + m1 * m3 * e1))
    ret.append("{:1.5f} {:1.5f}".format(m2 * m0 * e0 + m3 * m1 * e1, m2 * m2 * e0 + m3 * m3 * e1))


print(*ret, sep="\n")